SONY WALKMAN Sony Walkman Body: NW-WS410 Charger: BCR-NWWS410 USB cable, ear tips Basic operation has been confirmed. Underwater testing has not been performed. There are minor signs of use on the exterior, so please check the photos. I think it's in relatively good condition. - When I checked the capacity on the PC, it was about 7GB. - After purchase, it was never used underwater, and only used a few times in the air. - No box, everything in the photos is included, and will be packed and shipped. For running and swimming, as well as in the sea and cold regions. Enjoy music in various fields. Achieves JIS waterproof protection class IPX5/8 equivalent, with a waterproof performance of 2m underwater. Swimming ear tips are also included to prevent water from entering the headphones. Suitable for running in the rain and swimming, and also for use in the sea due to salt water compatibility. Enjoy music comfortably in various sports scenes. In addition, the expanded operating temperature range allows use in cold regions and during bathing (*2). It can also be washed with water, so you can wash away sweat and dust from sports and use it comfortably in a clean state.